Corrosion mechanism and evaluation of anodized magnesium alloys

By G. Song, Zhiming Shi. 2014

241 citations recorded by the source corpus.

The corrosion of anodized Mg alloys is investigated by means of immersion, salt spray, polarization curve, AC electrochemical impedance spectroscopy (EIS), SEM and optical microscopy analyses. Based on the blocking, retarding and passivating effects of an anodized coating on corrosion of Mg alloys, a corrosion model is proposed to illustrate the corrosion reaction at the coating/substrate interface in coating through-pores. It is found that EIS can sensitively respond to the occurrence of corrosion in anodized Mg alloys and reflect the protection performance of anodized coatings, which may be used as an in situ method of monitoring corrosion for anodized Mg alloys.

Subfields: Biomaterials, Materials Chemistry, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/dfc42c61bab20a7f9d4e677d9a58706e524e7f17

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In Biomaterials

1. Xingwen Zheng
2. Xiuzhou Lin
3. R. Yang
4. Min Gong
5. Chun-hai Liu
6. Xuejun Cui

In Materials Chemistry

1. Xingwen Zheng
2. Xiuzhou Lin
3. R. Yang
4. Min Gong
5. Chun-hai Liu
6. Xuejun Cui

In Mechanical Engineering

1. Xingwen Zheng
2. Xiuzhou Lin
3. R. Yang
4. Min Gong
5. Chun-hai Liu
6. Xuejun Cui

Citations in the corpus

• Fabrication and corrosion resistance of a hydrophobic micro-arc oxidation coating on AZ31 Mg alloy (2015, methodology): “Surface treatments or coatings such as conversion coatings [5,6], electro- and electrolessdeposition [7–9], polymeric coatings [4], chemical and physical vapor deposition [10,11], anodic oxidation, and micro-arc oxidation (MAO) [12,13] are all feasible methods of retarding the corrosion of Mg alloys”